Description

n-(2-Carboxy-4-Aminophenylsulfonyl)Anthranilic Acid is a specialized organic intermediate featuring a sulfonamide bridge and multiple functional groups, including carboxylic acid and amine. This compound matters for its role as a key building block in the synthesis of complex molecules, offering precise structural control for downstream applications. It is primarily needed by manufacturers in the pharmaceutical and advanced dye industries for creating active pharmaceutical ingredients (APIs) and high-performance colorants.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Used in the production of specialized azo dyes and pigments, contributing to color fastness and stability.
• Chemical Research & Development: Serves as a versatile building block in organic synthesis for novel compound libraries and material science.
• Agrochemical Synthesis: Employed in the development of certain herbicides and plant growth regulators.
• Liquid Crystal & OLED Material Production: Acts as an intermediate for creating advanced functional materials used in displays and electronics.

Basic Information

Product Name	n-(2-Carboxy-4-Aminophenylsulfonyl)Anthranilic Acid
CAS No.	6421-87-0
Molecular Formula	C14H12N2O6S
Molecular Weight	336.32 g/mol
Synonyms	2-[[(2-Carboxy-4-aminophenyl)sulfonyl]amino]benzoic acid; 4-Amino-2-[(2-carboxyphenyl)sulfamoyl]benzoic acid; Anthranilic acid, N-(2-carboxy-4-aminophenylsulfonyl)-; 2-Carboxy-4-aminobenzenesulfonanilide-2'-carboxylic acid; Benzoic acid, 2-[[(2-carboxy-4-aminophenyl)sulfonyl]amino]-; 6421-87-0; Sulfanilamide anthranilic acid derivative
EINECS	Contact for details

Quality Control

Our n-(2-Carboxy-4-Aminophenylsulfonyl)Anthranilic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong acids and organic solvents. The container must be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.